The table below looks at the statistics for Log4j skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited Log4j over the 3 months to 25 November 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
25 Nov 2014
Same period 2013 Same period 2012
Apache Log4j
Rank 888 886 879
Rank change year-on-year
-2 -7
Permanent jobs citing Log4j 21 10 28
As % of all permanent IT jobs located in the UK 0.018% 0.009% 0.024%
As % of the Development Applications category 0.12% 0.060% 0.16%
Number of salaries quoted 17 4 25
Average salary £42,500 £67,500 £50,000
Average salary % change year-on-year
-37.03% +35.00%
90% offered a salary of more than £35,000 £62,500 £35,000
10% offered a salary of more than £58,500 £72,500 £65,000
UK excluding London average salary £42,500 £67,500 £35,000
% change year-on-year
-37.03% +92.85%

The following table is for comparison with the above and provides statistics for the entire Development Applications category in permanent jobs advertised across the UK.

Development Applications Category
UK
Permanent IT job ads with a match in the
Development Applications category
17910 16702 17031
As % of all permanent IT jobs located in the UK 15.74% 15.09% 14.77%
Number of salaries quoted 15062 14090 14924
Average salary £45,000 £45,000 £42,500
Average salary % change year-on-year
- +5.88%
90% offered a salary of more than £32,500 £30,000 £30,000
10% offered a salary of more than £65,000 £60,000 £65,000
UK excluding London average salary £40,000 £40,000 £39,000
% change year-on-year
- +2.56%

Log4j
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT jobs citing Log4j within the UK as a proportion of the total demand within the Development Applications category.

Log4j Jobs Demand Trend in the UK

Log4j
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Log4j within the UK.

Log4j Salary Trend in the UK

Log4j
Salary Histogram

This chart provides a salary histogram for IT jobs citing Log4j over the 3 months to 25 November 2014 within the UK.

Log4j Salary Histogram in the UK

Log4j
Top 8 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing Log4j within the UK over the 3 months to 25 November 2014. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +12 19 £42,500 -37.03%
London +38 12 £57,500 -
Watford - 7 £42,500 -
Hertfordshire - 7 £42,500 -
East of England - 7 £42,500 -
City of London +12 2 £67,500 -
Glasgow - 2 - -
Scotland - 2 - -

Log4j
Top 30 Related IT Skills

For the 6 months to 25 November 2014, IT jobs within the UK citing Log4j also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited Log4j.

1 65 (100.00%) Java
2 62 (95.38%) XML
3 50 (76.92%) Servlets
4 47 (72.31%) Oracle
5 43 (66.15%) JavaScript
6 42 (64.62%) JUnit
7 40 (61.54%) J2EE
8 36 (55.38%) HTML
9 35 (53.85%) Web Services
10 33 (50.77%) CSS
11 32 (49.23%) UNIX
11 32 (49.23%) MySQL
11 32 (49.23%) Ajax
12 30 (46.15%) JSP
12 30 (46.15%) Linux
13 28 (43.08%) SOAP
13 28 (43.08%) Use Case
14 27 (41.54%) JSON
14 27 (41.54%) Ant
14 27 (41.54%) Apache
14 27 (41.54%) JMS
15 25 (38.46%) RDBMS
15 25 (38.46%) Maven
15 25 (38.46%) Relational Database
16 24 (36.92%) Hibernate
17 23 (35.38%) Eclipse
18 22 (33.85%) E-Commerce
18 22 (33.85%) XSLT
18 22 (33.85%) UML
18 22 (33.85%) SQL Server

Log4j
Top Related IT Skills by Category

For the 6 months to 25 November 2014, IT jobs within the UK citing Log4j also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited Log4j. Up to 20 skills are shown per category.

Application Platforms
1 27 (41.54%) Apache
2 22 (33.85%) Adobe CQ
3 16 (24.62%) WebSphere
3 16 (24.62%) Tomcat
4 12 (18.46%) JBoss
5 10 (15.38%) MQSeries
6 8 (12.31%) WebSphere Application Server
6 8 (12.31%) WebLogic
6 8 (12.31%) ATG Dynamo
7 5 (7.69%) IBM HTTP Server
7 5 (7.69%) Oracle HTTP Server
8 4 (6.15%) Magnolia
9 2 (3.08%) SAS
Applications
1 6 (9.23%) ArcView
Business Applications
1 4 (6.15%) Magento
2 3 (4.62%) Tridion
Cloud Services
1 1 (1.54%) Trello
Communications & Networking
1 18 (27.69%) HTTP
2 15 (23.08%) SMTP
3 10 (15.38%) Internet
4 7 (10.77%) Kerberos
5 4 (6.15%) PuTTY
5 4 (6.15%) WinSCP
Database & Business Intelligence
1 32 (49.23%) MySQL
2 25 (38.46%) RDBMS
2 25 (38.46%) Relational Database
3 22 (33.85%) SQL Server
4 15 (23.08%) Oracle Database
4 15 (23.08%) Jackrabbit
5 9 (13.85%) Oracle Database 10g
6 7 (10.77%) Data Warehouse
6 7 (10.77%) Hadoop
6 7 (10.77%) Mahout
6 7 (10.77%) Big Data
7 6 (9.23%) PostgreSQL
8 4 (6.15%) Oracle9i Database
9 3 (4.62%) DB2
10 1 (1.54%) Oracle Reports
Development Applications
1 42 (64.62%) JUnit
2 27 (41.54%) Ant
3 25 (38.46%) Maven
4 23 (35.38%) Eclipse
5 17 (26.15%) Subversion
6 9 (13.85%) Git (software)
7 7 (10.77%) JConsole
8 6 (9.23%) Mockito
8 6 (9.23%) NetBeans
9 5 (7.69%) Toad
9 5 (7.69%) ERwin
9 5 (7.69%) SoapUI
10 4 (6.15%) Team Foundation Server
11 3 (4.62%) WebSphere Studio Application Developer
12 2 (3.08%) Hudson
12 2 (3.08%) Jenkins
13 1 (1.54%) JIRA
General
1 16 (24.62%) Retail
2 14 (21.54%) Publishing
3 10 (15.38%) Manufacturing
4 6 (9.23%) Finance
5 5 (7.69%) Games
6 2 (3.08%) Legal
Job Titles
1 46 (70.77%) Developer
2 41 (63.08%) Java Developer
3 10 (15.38%) Java/J2EE Developer
4 6 (9.23%) E-Commerce Specialist
4 6 (9.23%) Architect
5 5 (7.69%) Software Developer
5 5 (7.69%) Lead Developer
5 5 (7.69%) J2EE Developer
6 4 (6.15%) Analyst Developer
6 4 (6.15%) Technical Leader
6 4 (6.15%) Lead Java Developer
6 4 (6.15%) Support Analyst
6 4 (6.15%) Data Architect
6 4 (6.15%) Analyst
6 4 (6.15%) Java Analyst Developer
6 4 (6.15%) Big Data Architect
7 2 (3.08%) Development Specialist
7 2 (3.08%) Solutions Architect
7 2 (3.08%) Java Software Developer
8 1 (1.54%) Junior Developer
Libraries, Frameworks & Software Standards
1 62 (95.38%) XML
2 50 (76.92%) Servlets
3 40 (61.54%) J2EE
4 36 (55.38%) HTML
5 35 (53.85%) Web Services
6 33 (50.77%) CSS
7 32 (49.23%) Ajax
8 30 (46.15%) JSP
9 28 (43.08%) SOAP
10 27 (41.54%) JMS
10 27 (41.54%) JSON
11 24 (36.92%) Hibernate
12 22 (33.85%) XSLT
13 21 (32.31%) JDBC
13 21 (32.31%) JPA
13 21 (32.31%) Apache Commons
14 19 (29.23%) REST
14 19 (29.23%) J2SE
15 18 (27.69%) Spring
15 18 (27.69%) XHTML
Miscellaneous
1 15 (23.08%) Client/Server
2 10 (15.38%) Web 2.0
3 7 (10.77%) Data Integration
3 7 (10.77%) Algorithms
4 6 (9.23%) GIS
5 4 (6.15%) Management Information System
5 4 (6.15%) Analytical Skills
5 4 (6.15%) iPad
6 1 (1.54%) Mobile App
Operating Systems
1 32 (49.23%) UNIX
2 30 (46.15%) Linux
3 18 (27.69%) Android
4 15 (23.08%) Apple iOS
5 10 (15.38%) HPUX
5 10 (15.38%) Solaris
6 6 (9.23%) Windows
7 5 (7.69%) AIX
7 5 (7.69%) Windows Server 2003
Processes & Methodologies
1 28 (43.08%) Use Case
2 22 (33.85%) UML
2 22 (33.85%) E-Commerce
3 17 (26.15%) Unit Testing
4 15 (23.08%) OO
4 15 (23.08%) Web Development
4 15 (23.08%) Android Development
4 15 (23.08%) iOS Development
5 10 (15.38%) Content Management
6 8 (12.31%) RAD
7 7 (10.77%) ETL
7 7 (10.77%) Data Management
8 6 (9.23%) Project Management
8 6 (9.23%) Quality Management
8 6 (9.23%) MVC
9 5 (7.69%) Software Engineering
9 5 (7.69%) Performance Tuning
10 4 (6.15%) Mentoring
10 4 (6.15%) Analytics
10 4 (6.15%) Web Analytics
Programming Languages
1 65 (100.00%) Java
2 43 (66.15%) JavaScript
3 18 (27.69%) SQL
4 15 (23.08%) ECMAScript
5 11 (16.92%) Shell Script
6 10 (15.38%) XPath
7 7 (10.77%) R
8 5 (7.69%) Python
8 5 (7.69%) Bash Shell
9 3 (4.62%) Perl
10 2 (3.08%) PL/SQL
Qualifications
1 7 (10.77%) Sun Certification
1 7 (10.77%) Degree
Quality Assurance & Compliance
1 4 (6.15%) SLA
1 4 (6.15%) QA
System Software
1 7 (10.77%) Oracle RAC
Vendors
1 47 (72.31%) Oracle
2 15 (23.08%) IBM
2 15 (23.08%) Adobe
2 15 (23.08%) ATG
3 11 (16.92%) Sun
4 10 (15.38%) Interwoven
5 6 (9.23%) ESRI
5 6 (9.23%) Microsoft
6 5 (7.69%) Actimize
7 4 (6.15%) Percussion
7 4 (6.15%) hybris
7 4 (6.15%) SAP
8 3 (4.62%) Blue Martini
8 3 (4.62%) Elastic Path